$BTC Bitcoin (BTC) is the first decentralized digital currency in the world, created in 2009 by an unknown person under the pseudonym Satoshi Nakamoto. Bitcoin relies on blockchain technology, which is a digital ledger of transactions distributed across a network of computers.

Bitcoin has several features that make it unique, including:

* Decentralization: Bitcoin is not controlled by any government or financial institution.

* Transparency: All Bitcoin transactions are recorded on the blockchain, and they are available to everyone.

* Scarcity: The maximum number of Bitcoin is 21 million coins, making it a scarce currency.

Bitcoin is used as a means of payment and financial transfers, and it is also used as a store of value. Bitcoin has experienced significant growth in its value since its creation, making it one of the most valuable digital currencies in the world.